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  <headerData>
    <submissionType>13F-NT</submissionType>
    <filerInfo>
      <liveTestFlag>LIVE</liveTestFlag>
      <flags>
        <confirmingCopyFlag>false</confirmingCopyFlag>
        <returnCopyFlag>true</returnCopyFlag>
        <overrideInternetFlag>false</overrideInternetFlag>
      </flags>
      <filer>
        <credentials>
          <cik>0001408677</cik>
          <ccc>XXXXXXXX</ccc>
        </credentials>
      </filer>
      <periodOfReport>09-30-2018</periodOfReport>
    </filerInfo>
  </headerData>
  <formData>
    <coverPage>
      <reportCalendarOrQuarter>09-30-2018</reportCalendarOrQuarter>
      <filingManager>
        <name>Bain Capital Venture Fund 2007, L.P.</name>
        <address>
          <ns1:street1>C/O BAIN CAPITAL, LLC</ns1:street1>
          <ns1:street2>JOHN HANCOCK TOWER, 200 CLARENDON STREET</ns1:street2>
          <ns1:city>BOSTON</ns1:city>
          <ns1:stateOrCountry>MA</ns1:stateOrCountry>
          <ns1:zipCode>02116</ns1:zipCode>
        </address>
      </filingManager>
      <reportType>13F NOTICE</reportType>
      <form13FFileNumber>028-17028</form13FFileNumber>
      <otherManagersInfo>
        <otherManager>
          <form13FFileNumber>28-13588</form13FFileNumber>
          <name>Bain Capital Venture Investors, LLC</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>28-17026</form13FFileNumber>
          <name>Bain Capital Venture Partners 2007, L.P.</name>
        </otherManager>
      </otherManagersInfo>
      <provideInfoForInstruction5>Y</provideInfoForInstruction5>
      <additionalInformation>The report on Form 13F for the period ended September 30, 2018 for Bain Capital Venture Fund 2007, L.P. (the "Fund") is being filed by Bain Capital Venture Investors, LLC, which is the general partner of Bain Capital Venture Partners 2007, L.P., which is the general partner of the Fund.</additionalInformation>
    </coverPage>
    <signatureBlock>
      <name>Ajay Agarwal</name>
      <title>Managing Director of Bain Capital Venture Investors, LLC</title>
      <phone>(617) 516-2000</phone>
      <signature>/s/ Ajay Agarwal</signature>
      <city>Boston</city>
      <stateOrCountry>MA</stateOrCountry>
      <signatureDate>11-14-2018</signatureDate>
    </signatureBlock>
  </formData>
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